Even people who are financially well off can be at risk of slipping into debt, especially in a staggering economy. There are plenty of doctors, lawyers and stock brokers who are currently on debt-management plans, according to David Jones, president of the Association of Independent Consumer Credit Counseling Agencies. Some of the warning signs of excess debt include: relying on home-equity credit lines or credit cards for everyday purchases, making only minimum payments on extended lines of credit and taking cash advances from one source of credit to pay another. To help save you from a downward-spiral into debt, Consumer Reports has put together a handy list of rules for smart borrowing. Here’s one of our favorites…

Prospective home buyers may need to pony up more cash up front to secure a mortgage if they are looking to buy in one of hundreds of zip codes that lenders now consider “soft markets.” Countrywide and GMAC recently ranked over 1,000 zip codes on a risk scale of 1-5. Lenders to moderate risk zip codes, ranked 1-3, may require borrowers to pay an additional 5% down payment. Unlucky buyers in high risk zip codes, ranked 4 or 5, are now automatically required to put down the extra 5%.

Elizabeth Warren of Harvard Law, our very favorite consumer debt expert, gave an interview to Marketplace this morning in which she talked about the rising cost of so-called “fixed expenses” and their affect on the American consumer.

Harvard Professor Elizabeth Warren has spent a career looking at personal debt. I asked her if consumers can sustain the engine of our economy much longer.

For years homeowners have been using their soaring-in-value homes as ATMs, drawing money out to finance whatever they wanted. No more. Falling home prices mean that your house is no longer a source of cash.

Massachusetts Attorney General Martha Coakley last week unveiled aggressive regulations designed to curb the orgy of irresponsible lending that led to the subprime meltdown. The measures, among the strictest in the nation, enjoin lenders from profiteering or ignoring a prospective borrower’s financial situation.

VirginMoneyUSA, which launches today, is a lending service designed to manage personal loans between friends and family, by taking care of documentation, repayment schedules, and reminders. At first glance, the service sounds like an intrusive middle-man; however, anyone who’s ever been on either side of a personal loan knows how delicate the situation can be, so we can understand the appeal of putting some distance between the personal relationship and the fiscal one.

Ah, what an awkward situation—over the phone, or whispered at your desk, or asked face to face over beers at your weekly hangout. What’s the best way to respond when someone you love (or at least like to some degree) wants to borrow money? And what if you’re the one in need? Betterbudgeting.com offers some advice on when to loan and when to figure out whether you’re just enabling a bad habit.

Fair Isaac says that, in addition to better predicting the behavior of subprime borrowers, the new FICO score will do a better job in assessing new accounts and borrowers who have little or no credit histories, such as young people and immigrants.

Most people can expect their score to rise or fall slightly. — CAREY GREENBERG-BERGER